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Nickel 80A vs. ACI-ASTM CB7Cu-2 Steel

Nickel 80A belongs to the nickel alloys classification, while ACI-ASTM CB7Cu-2 steel belongs to the iron alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 80A and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
5.7 to 11
Fatigue Strength, MPa 430
420 to 590
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 1040
960 to 1350
Tensile Strength: Yield (Proof), MPa 710
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1310
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 11
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 9.8
2.6
Embodied Energy, MJ/kg 140
38
Embodied Water, L/kg 280
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1300
1510 to 3600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35
34 to 48
Strength to Weight: Bending, points 27
28 to 35
Thermal Diffusivity, mm2/s 2.9
4.6
Thermal Shock Resistance, points 31
32 to 45

Alloy Composition

Aluminum (Al), % 0.5 to 1.8
0
Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 18 to 21
14 to 15.5
Copper (Cu), % 0
2.5 to 3.2
Iron (Fe), % 0 to 3.0
73.6 to 79
Manganese (Mn), % 0 to 1.0
0 to 0.7
Nickel (Ni), % 69.4 to 79.7
4.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.8 to 2.7
0